| NWS Forecast for: Hilton Head Island SC Issued by: National Weather Service Charleston, SC Last Update: 2:40 am EDT Jul 20, 2026 | |
| Today: Sunny, with a high near 94. Heat index values as high as 107. South wind 6 to 13 mph. Tonight: Partly cloudy, with a low around 82. South wind around 11 mph, with gusts as high as 21 mph. Tuesday: Sunny, with a high near 94. Heat index values as high as 107. South wind 9 to 17 mph, with gusts as high as 25 mph. Tuesday Night: Partly cloudy, with a low around 82. South wind 13 to 15 mph, with gusts as high as 25 mph. Wednesday: Mostly sunny, with a high near 94. Southwest wind 10 to 16 mph, with gusts as high as 23 mph. Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 81. Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Thursday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 79. Saturday: Showers and thunderstorms likely. Partly sunny, with a high near 91. Chance of precipitation is 70%. Saturday Night: Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%. Sunday: Showers and thunderstorms likely. Partly sunny, with a high near 90. Chance of precipitation is 60%. | |
| Hilton Head Island SC 32.2°N 80.76°W (Elev. 10 ft) | |
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